- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15B - Systems acting by means of fluids in generalfluid-pressure actuators, e.g. servomotorsdetails of fluid-pressure systems, not otherwise provided for
- F15B 13/043 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
Patent holdings for IPC class F15B 13/043
Total number of patents in this class: 446
10-year publication summary
|
21
|
41
|
35
|
50
|
44
|
30
|
9
|
25
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4881 |
47 |
| Volvo Construction Equipment AB | 1192 |
30 |
| Caterpillar Inc. | 9549 |
18 |
| Fisher Controls International LLC | 1476 |
16 |
| Robert Bosch GmbH | 42684 |
10 |
| HYDAC Fluidtechnik GmbH | 137 |
10 |
| Woodward, Inc. | 645 |
10 |
| Danfoss A/S | 1355 |
10 |
| KYB Corporation | 1359 |
7 |
| Parker Intangibles LLC | 1165 |
7 |
| SMC Corporation | 1361 |
7 |
| Sun Hydraulics, LLC | 67 |
7 |
| Parker Hannifin EMEA S.à.r.l. | 79 |
7 |
| Safran AeroSystems | 238 |
7 |
| Festo SE & Co. KG | 386 |
7 |
| Kawasaki Heavy Industries, Limited | 1632 |
6 |
| Moog Inc. | 421 |
6 |
| Parker-Hannifin Corporation | 1033 |
6 |
| Safran Aerotechnics | 54 |
6 |
| Honeywell International Inc. | 13553 |
5 |
| Other owners | 217 |